Improvement in car-axle boxes



D. MUZZEY.

Car-Axle Boxes.

`No.145 004. Y PatemedN0v.25,\873.

' vertical section.

UNITED STATES PATENT OEEIoE.

DAVID MUZZEY, OF ST. ALBAN-S, VERMONT.

I'MPRovEMl-:NT IN cAR-AxLE Boxes.

Specification forming part of Letters Patent No. 145,004, dated November25, 1873; application filed April 3, 1673.

To all whom it may concern:

Be it known that I, DAVID MUzzEY, of St. Albans, in the county ofFranklin and in the State of Vermont, have invented certain new anduseful Improvements in Gar-Axle Box; and do hereby declare that thefollowing is a full, clear, and exact description thereof, referencebeing had to the accompanying drawings and to the letters of 'referencemarked thereon, making a part of this speciiication.

The nature of my invention consists in constructing the hangers of acar-axle box With concave interiors7 and the axle-box itselfglobeshaped, as hereinafter more fully set forth.

In order to enable others skilled in the art, to which my inventionappertains to make and use the same, I will now proceed to describe itsconstruction and operation, referring to the annexed drawing, in Which-Figure 1 is a side view of a car-truck, showing one of the boxes andhangers in transverse Fig. 2 is a longitudinal vertical, and Fig. 3 ahorizontal, section of the same.

A represents a part of a car-truck frame, to which the hangers B B areiirmly secured in any suitable manner. The sides of each hanger B aremade concave on the inside, as shown in Fig. 3, and the box C, which isplaced therein, is globe-shaped, fitting within the hanger, and havingroom to o'scillate horizontally. This allows the journal-block to fitthe journal freely on any curved or bent axle, as the box Will turn inthe hanger sufficiently to accommodate such curve or bend. l) representsthe journal-block, havinga top chamber, a, passage b, and channel d. Erepresents the journal of the axle. G represents an oil-chamber;

j', an oil-opening; c, an oil-passage; H, a yoke, `resting on theroundedl pivot h on the top of DAVID MUZZEY. [1.. s]

Witnesses:

H. F. STEVENS, J. B. CARLiss.

